polars decimal for dataframe

Converts a string column into a decimal column

Signature

> polars decimal {flags} (infer_length)

Parameters

  • infer_length: Number of decimal points to infer

Input/output types:

inputoutput
polars_expressionpolars_expression

Examples

Modifies strings to decimal

> [[a b]; [1, '2.4']] | polars into-df | polars select (polars col b | polars decimal 2) | polars collect
╭───┬──────╮
│ # │  b   │
├───┼──────┤
│ 0 │ 2.40 │
╰───┴──────╯